drivers/staging/rtlwifi/efuse.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /******************************************************************************
   3  *
   4  * Copyright(c) 2009-2012  Realtek Corporation.
   5  *
   6  * Contact Information:
   7  * wlanfae <wlanfae@realtek.com>
   8  * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
   9  * Hsinchu 300, Taiwan.
  10  *
  11  * Larry Finger <Larry.Finger@lwfinger.net>
  12  *
  13  *****************************************************************************/
  14 #include "wifi.h"
  15 #include "efuse.h"
  16 #include "pci.h"
  17 #include <linux/export.h>
  18
  19 static const u8 MAX_PGPKT_SIZE = 9;
  20 static const u8 PGPKT_DATA_SIZE = 8;
  21 static const int EFUSE_MAX_SIZE = 512;
  22
  23 #define START_ADDRESS           0x1000
  24 #define REG_MCUFWDL             0x0080
  25
  26 static const struct efuse_map RTL8712_SDIO_EFUSE_TABLE[] = {
  27         {0, 0, 0, 2},
  28         {0, 1, 0, 2},
  29         {0, 2, 0, 2},
  30         {1, 0, 0, 1},
  31         {1, 0, 1, 1},
  32         {1, 1, 0, 1},
  33         {1, 1, 1, 3},
  34         {1, 3, 0, 17},
  35         {3, 3, 1, 48},
  36         {10, 0, 0, 6},
  37         {10, 3, 0, 1},
  38         {10, 3, 1, 1},
  39         {11, 0, 0, 28}
  40 };
  41
  42 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw, u16 offset,
  43                                     u8 *value);
  44 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw, u16 offset,
  45                                     u16 *value);
  46 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw, u16 offset,
  47                                     u32 *value);
  48 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw, u16 offset,
  49                                      u8 value);
  50 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw, u16 offset,
  51                                      u16 value);
  52 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw, u16 offset,
  53                                      u32 value);
  54 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr,
  55                                 u8 data);
  56 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse);
  57 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset,
  58                                 u8 *data);
  59 static int efuse_pg_packet_write(struct ieee80211_hw *hw, u8 offset,
  60                                  u8 word_en, u8 *data);
  61 static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
  62                                         u8 *targetdata);
  63 static u8 enable_efuse_data_write(struct ieee80211_hw *hw,
  64                                   u16 efuse_addr, u8 word_en, u8 *data);
  65 static u16 efuse_get_current_size(struct ieee80211_hw *hw);
  66 static u8 efuse_calculate_word_cnts(u8 word_en);
  67
  68 void efuse_initialize(struct ieee80211_hw *hw)
  69 {
  70         struct rtl_priv *rtlpriv = rtl_priv(hw);
  71         u8 bytetemp;
  72         u8 temp;
  73
  74         bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1);
  75         temp = bytetemp | 0x20;
  76         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1, temp);
  77
  78         bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1);
  79         temp = bytetemp & 0xFE;
  80         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1, temp);
  81
  82         bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3);
  83         temp = bytetemp | 0x80;
  84         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3, temp);
  85
  86         rtl_write_byte(rtlpriv, 0x2F8, 0x3);
  87
  88         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
  89 }
  90
  91 u8 efuse_read_1byte(struct ieee80211_hw *hw, u16 address)
  92 {
  93         struct rtl_priv *rtlpriv = rtl_priv(hw);
  94         u8 data;
  95         u8 bytetemp;
  96         u8 temp;
  97         u32 k = 0;
  98         const u32 efuse_len =
  99                 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
 100
 101         if (address < efuse_len) {
 102                 temp = address & 0xFF;
 103                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 104                                temp);
 105                 bytetemp = rtl_read_byte(rtlpriv,
 106                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
 107                 temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
 108                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 109                                temp);
 110
 111                 bytetemp = rtl_read_byte(rtlpriv,
 112                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 113                 temp = bytetemp & 0x7F;
 114                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
 115                                temp);
 116
 117                 bytetemp = rtl_read_byte(rtlpriv,
 118                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 119                 while (!(bytetemp & 0x80)) {
 120                         bytetemp =
 121                            rtl_read_byte(rtlpriv,
 122                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 123                         k++;
 124                         if (k == 1000) {
 125                                 k = 0;
 126                                 break;
 127                         }
 128                 }
 129                 data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 130                 return data;
 131         }
 132         return 0xFF;
 133 }
 134
 135 void efuse_write_1byte(struct ieee80211_hw *hw, u16 address, u8 value)
 136 {
 137         struct rtl_priv *rtlpriv = rtl_priv(hw);
 138         u8 bytetemp;
 139         u8 temp;
 140         u32 k = 0;
 141         const u32 efuse_len =
 142                 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
 143
 144         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "Addr=%x Data =%x\n",
 145                  address, value);
 146
 147         if (address < efuse_len) {
 148                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], value);
 149
 150                 temp = address & 0xFF;
 151                 rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 152                                temp);
 153                 bytetemp = rtl_read_byte(rtlpriv,
 154                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
 155
 156                 temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
 157                 rtl_write_byte(rtlpriv,
 158                                rtlpriv->cfg->maps[EFUSE_CTRL] + 2, temp);
 159
 160                 bytetemp = rtl_read_byte(rtlpriv,
 161                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 162                 temp = bytetemp | 0x80;
 163                 rtl_write_byte(rtlpriv,
 164                                rtlpriv->cfg->maps[EFUSE_CTRL] + 3, temp);
 165
 166                 bytetemp = rtl_read_byte(rtlpriv,
 167                                          rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 168
 169                 while (bytetemp & 0x80) {
 170                         bytetemp =
 171                             rtl_read_byte(rtlpriv,
 172                                           rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 173                         k++;
 174                         if (k == 100) {
 175                                 k = 0;
 176                                 break;
 177                         }
 178                 }
 179         }
 180 }
 181
 182 void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset, u8 *pbuf)
 183 {
 184         struct rtl_priv *rtlpriv = rtl_priv(hw);
 185         u32 value32;
 186         u8 readbyte;
 187         u16 retry;
 188
 189         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 190                        (_offset & 0xff));
 191         readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
 192         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 193                        ((_offset >> 8) & 0x03) | (readbyte & 0xfc));
 194
 195         readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
 196         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
 197                        (readbyte & 0x7f));
 198
 199         retry = 0;
 200         value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 201         while (!(((value32 >> 24) & 0xff) & 0x80) && (retry < 10000)) {
 202                 value32 = rtl_read_dword(rtlpriv,
 203                                          rtlpriv->cfg->maps[EFUSE_CTRL]);
 204                 retry++;
 205         }
 206
 207         udelay(50);
 208         value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 209
 210         *pbuf = (u8)(value32 & 0xff);
 211 }
 212
 213 void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
 214 {
 215         struct rtl_priv *rtlpriv = rtl_priv(hw);
 216         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 217         u8 *efuse_tbl;
 218         u8 rtemp8[1];
 219         u16 efuse_addr = 0;
 220         u8 offset, wren;
 221         u8 u1temp = 0;
 222         u16 i;
 223         u16 j;
 224         const u16 efuse_max_section =
 225                 rtlpriv->cfg->maps[EFUSE_MAX_SECTION_MAP];
 226         const u32 efuse_len =
 227                 rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
 228         u16 **efuse_word;
 229         u16 efuse_utilized = 0;
 230         u8 efuse_usage;
 231
 232         if ((_offset + _size_byte) > rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]) {
 233                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 234                          "%s(): Invalid offset(%#x) with read bytes(%#x)!!\n",
 235                          __func__, _offset, _size_byte);
 236                 return;
 237         }
 238
 239         /* allocate memory for efuse_tbl and efuse_word */
 240         efuse_tbl = kzalloc(rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE],
 241                             GFP_ATOMIC);
 242         if (!efuse_tbl)
 243                 return;
 244         efuse_word = kcalloc(EFUSE_MAX_WORD_UNIT, sizeof(u16 *), GFP_ATOMIC);
 245         if (!efuse_word)
 246                 goto out;
 247         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
 248                 efuse_word[i] = kcalloc(efuse_max_section, sizeof(u16),
 249                                         GFP_ATOMIC);
 250                 if (!efuse_word[i])
 251                         goto done;
 252         }
 253
 254         for (i = 0; i < efuse_max_section; i++)
 255                 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++)
 256                         efuse_word[j][i] = 0xFFFF;
 257
 258         read_efuse_byte(hw, efuse_addr, rtemp8);
 259         if (*rtemp8 != 0xFF) {
 260                 efuse_utilized++;
 261                 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 262                         "Addr=%d\n", efuse_addr);
 263                 efuse_addr++;
 264         }
 265
 266         while ((*rtemp8 != 0xFF) && (efuse_addr < efuse_len)) {
 267                 /*  Check PG header for section num.  */
 268                 if ((*rtemp8 & 0x1F) == 0x0F) {/* extended header */
 269                         u1temp = ((*rtemp8 & 0xE0) >> 5);
 270                         read_efuse_byte(hw, efuse_addr, rtemp8);
 271
 272                         if ((*rtemp8 & 0x0F) == 0x0F) {
 273                                 efuse_addr++;
 274                                 read_efuse_byte(hw, efuse_addr, rtemp8);
 275
 276                                 if (*rtemp8 != 0xFF &&
 277                                     (efuse_addr < efuse_len)) {
 278                                         efuse_addr++;
 279                                 }
 280                                 continue;
 281                         } else {
 282                                 offset = ((*rtemp8 & 0xF0) >> 1) | u1temp;
 283                                 wren = (*rtemp8 & 0x0F);
 284                                 efuse_addr++;
 285                         }
 286                 } else {
 287                         offset = ((*rtemp8 >> 4) & 0x0f);
 288                         wren = (*rtemp8 & 0x0f);
 289                 }
 290
 291                 if (offset < efuse_max_section) {
 292                         RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 293                                 "offset-%d Worden=%x\n", offset, wren);
 294
 295                         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
 296                                 if (!(wren & 0x01)) {
 297                                         RTPRINT(rtlpriv, FEEPROM,
 298                                                 EFUSE_READ_ALL,
 299                                                 "Addr=%d\n", efuse_addr);
 300
 301                                         read_efuse_byte(hw, efuse_addr, rtemp8);
 302                                         efuse_addr++;
 303                                         efuse_utilized++;
 304                                         efuse_word[i][offset] =
 305                                                          (*rtemp8 & 0xff);
 306
 307                                         if (efuse_addr >= efuse_len)
 308                                                 break;
 309
 310                                         RTPRINT(rtlpriv, FEEPROM,
 311                                                 EFUSE_READ_ALL,
 312                                                 "Addr=%d\n", efuse_addr);
 313
 314                                         read_efuse_byte(hw, efuse_addr, rtemp8);
 315                                         efuse_addr++;
 316                                         efuse_utilized++;
 317                                         efuse_word[i][offset] |=
 318                                             (((u16)*rtemp8 << 8) & 0xff00);
 319
 320                                         if (efuse_addr >= efuse_len)
 321                                                 break;
 322                                 }
 323
 324                                 wren >>= 1;
 325                         }
 326                 }
 327
 328                 RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
 329                         "Addr=%d\n", efuse_addr);
 330                 read_efuse_byte(hw, efuse_addr, rtemp8);
 331                 if (*rtemp8 != 0xFF && (efuse_addr < efuse_len)) {
 332                         efuse_utilized++;
 333                         efuse_addr++;
 334                 }
 335         }
 336
 337         for (i = 0; i < efuse_max_section; i++) {
 338                 for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++) {
 339                         efuse_tbl[(i * 8) + (j * 2)] =
 340                             (efuse_word[j][i] & 0xff);
 341                         efuse_tbl[(i * 8) + ((j * 2) + 1)] =
 342                             ((efuse_word[j][i] >> 8) & 0xff);
 343                 }
 344         }
 345
 346         for (i = 0; i < _size_byte; i++)
 347                 pbuf[i] = efuse_tbl[_offset + i];
 348
 349         rtlefuse->efuse_usedbytes = efuse_utilized;
 350         efuse_usage = (u8)((efuse_utilized * 100) / efuse_len);
 351         rtlefuse->efuse_usedpercentage = efuse_usage;
 352         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_BYTES,
 353                                       (u8 *)&efuse_utilized);
 354         rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_USAGE,
 355                                       &efuse_usage);
 356 done:
 357         for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++)
 358                 kfree(efuse_word[i]);
 359         kfree(efuse_word);
 360 out:
 361         kfree(efuse_tbl);
 362 }
 363
 364 bool efuse_shadow_update_chk(struct ieee80211_hw *hw)
 365 {
 366         struct rtl_priv *rtlpriv = rtl_priv(hw);
 367         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 368         u8 section_idx, i, base;
 369         u16 words_need = 0, hdr_num = 0, totalbytes, efuse_used;
 370         bool wordchanged, result = true;
 371
 372         for (section_idx = 0; section_idx < 16; section_idx++) {
 373                 base = section_idx * 8;
 374                 wordchanged = false;
 375
 376                 for (i = 0; i < 8; i = i + 2) {
 377                         if ((rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
 378                              rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) ||
 379                             (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i + 1] !=
 380                              rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i +
 381                                                                    1])) {
 382                                 words_need++;
 383                                 wordchanged = true;
 384                         }
 385                 }
 386
 387                 if (wordchanged)
 388                         hdr_num++;
 389         }
 390
 391         totalbytes = hdr_num + words_need * 2;
 392         efuse_used = rtlefuse->efuse_usedbytes;
 393
 394         if ((totalbytes + efuse_used) >=
 395             (EFUSE_MAX_SIZE - rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))
 396                 result = false;
 397
 398         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 399                  "%s(): totalbytes(%#x), hdr_num(%#x), words_need(%#x), efuse_used(%d)\n",
 400                  __func__, totalbytes, hdr_num, words_need, efuse_used);
 401
 402         return result;
 403 }
 404
 405 void efuse_shadow_read(struct ieee80211_hw *hw, u8 type,
 406                        u16 offset, u32 *value)
 407 {
 408         if (type == 1)
 409                 efuse_shadow_read_1byte(hw, offset, (u8 *)value);
 410         else if (type == 2)
 411                 efuse_shadow_read_2byte(hw, offset, (u16 *)value);
 412         else if (type == 4)
 413                 efuse_shadow_read_4byte(hw, offset, value);
 414 }
 415
 416 void efuse_shadow_write(struct ieee80211_hw *hw, u8 type, u16 offset,
 417                         u32 value)
 418 {
 419         if (type == 1)
 420                 efuse_shadow_write_1byte(hw, offset, (u8)value);
 421         else if (type == 2)
 422                 efuse_shadow_write_2byte(hw, offset, (u16)value);
 423         else if (type == 4)
 424                 efuse_shadow_write_4byte(hw, offset, value);
 425 }
 426
 427 bool efuse_shadow_update(struct ieee80211_hw *hw)
 428 {
 429         struct rtl_priv *rtlpriv = rtl_priv(hw);
 430         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 431         u16 i, offset, base;
 432         u8 word_en = 0x0F;
 433         u8 first_pg = false;
 434
 435         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n");
 436
 437         if (!efuse_shadow_update_chk(hw)) {
 438                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 439                 memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 440                        &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 441                        rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 442
 443                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 444                          "efuse out of capacity!!\n");
 445                 return false;
 446         }
 447         efuse_power_switch(hw, true, true);
 448
 449         for (offset = 0; offset < 16; offset++) {
 450                 word_en = 0x0F;
 451                 base = offset * 8;
 452
 453                 for (i = 0; i < 8; i++) {
 454                         if (first_pg) {
 455                                 word_en &= ~(BIT(i / 2));
 456
 457                                 rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 458                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 459                         } else {
 460                                 if (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
 461                                     rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) {
 462                                         word_en &= ~(BIT(i / 2));
 463
 464                                         rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
 465                                             rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
 466                                 }
 467                         }
 468                 }
 469                 if (word_en != 0x0F) {
 470                         u8 tmpdata[8];
 471
 472                         memcpy(tmpdata,
 473                                &rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base],
 474                                8);
 475                         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD,
 476                                       "U-efuse\n", tmpdata, 8);
 477
 478                         if (!efuse_pg_packet_write(hw, (u8)offset, word_en,
 479                                                    tmpdata)) {
 480                                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
 481                                          "PG section(%#x) fail!!\n", offset);
 482                                 break;
 483                         }
 484                 }
 485         }
 486
 487         efuse_power_switch(hw, true, false);
 488         efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 489
 490         memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 491                &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 492                rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 493
 494         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "\n");
 495         return true;
 496 }
 497
 498 void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw)
 499 {
 500         struct rtl_priv *rtlpriv = rtl_priv(hw);
 501         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 502
 503         if (rtlefuse->autoload_failflag)
 504                 memset((&rtlefuse->efuse_map[EFUSE_INIT_MAP][0]),
 505                        0xFF, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 506         else
 507                 efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
 508
 509         memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
 510                &rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
 511                rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
 512 }
 513
 514 void efuse_force_write_vendor_id(struct ieee80211_hw *hw)
 515 {
 516         u8 tmpdata[8] = { 0xFF, 0xFF, 0xEC, 0x10, 0xFF, 0xFF, 0xFF, 0xFF };
 517
 518         efuse_power_switch(hw, true, true);
 519
 520         efuse_pg_packet_write(hw, 1, 0xD, tmpdata);
 521
 522         efuse_power_switch(hw, true, false);
 523 }
 524
 525 void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx)
 526 {
 527 }
 528
 529 static void efuse_shadow_read_1byte(struct ieee80211_hw *hw,
 530                                     u16 offset, u8 *value)
 531 {
 532         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 533         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 534 }
 535
 536 static void efuse_shadow_read_2byte(struct ieee80211_hw *hw,
 537                                     u16 offset, u16 *value)
 538 {
 539         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 540
 541         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 542         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 543 }
 544
 545 static void efuse_shadow_read_4byte(struct ieee80211_hw *hw,
 546                                     u16 offset, u32 *value)
 547 {
 548         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 549
 550         *value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
 551         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
 552         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] << 16;
 553         *value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] << 24;
 554 }
 555
 556 static void efuse_shadow_write_1byte(struct ieee80211_hw *hw,
 557                                      u16 offset, u8 value)
 558 {
 559         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 560
 561         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value;
 562 }
 563
 564 static void efuse_shadow_write_2byte(struct ieee80211_hw *hw,
 565                                      u16 offset, u16 value)
 566 {
 567         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 568
 569         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value & 0x00FF;
 570         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] = value >> 8;
 571 }
 572
 573 static void efuse_shadow_write_4byte(struct ieee80211_hw *hw,
 574                                      u16 offset, u32 value)
 575 {
 576         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
 577
 578         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] =
 579             (u8)(value & 0x000000FF);
 580         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] =
 581             (u8)((value >> 8) & 0x0000FF);
 582         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] =
 583             (u8)((value >> 16) & 0x00FF);
 584         rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] =
 585             (u8)((value >> 24) & 0xFF);
 586 }
 587
 588 int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, u8 *data)
 589 {
 590         struct rtl_priv *rtlpriv = rtl_priv(hw);
 591         u8 tmpidx = 0;
 592         int result;
 593
 594         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
 595                        (u8)(addr & 0xff));
 596         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 597                        ((u8)((addr >> 8) & 0x03)) |
 598                        (rtl_read_byte(rtlpriv,
 599                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 2) &
 600                         0xFC));
 601
 602         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
 603
 604         while (!(0x80 & rtl_read_byte(rtlpriv,
 605                                       rtlpriv->cfg->maps[EFUSE_CTRL] + 3)) &&
 606                (tmpidx < 100)) {
 607                 tmpidx++;
 608         }
 609
 610         if (tmpidx < 100) {
 611                 *data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
 612                 result = true;
 613         } else {
 614                 *data = 0xff;
 615                 result = false;
 616         }
 617         return result;
 618 }
 619
 620 static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data)
 621 {
 622         struct rtl_priv *rtlpriv = rtl_priv(hw);
 623         u8 tmpidx = 0;
 624
 625         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
 626                  "Addr = %x Data=%x\n", addr, data);
 627
 628         rtl_write_byte(rtlpriv,
 629                        rtlpriv->cfg->maps[EFUSE_CTRL] + 1, (u8)(addr & 0xff));
 630         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
 631                        (rtl_read_byte(rtlpriv,
 632                          rtlpriv->cfg->maps[EFUSE_CTRL] +
 633                          2) & 0xFC) | (u8)((addr >> 8) & 0x03));
 634
 635         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], data);
 636         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0xF2);
 637
 638         while ((0x80 &
 639                 rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3)) &&
 640                (tmpidx < 100)) {
 641                 tmpidx++;
 642         }
 643
 644         if (tmpidx < 100)
 645                 return true;
 646         return false;
 647 }
 648
 649 static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse)
 650 {
 651         struct rtl_priv *rtlpriv = rtl_priv(hw);
 652
 653         efuse_power_switch(hw, false, true);
 654         read_efuse(hw, 0, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE], efuse);
 655         efuse_power_switch(hw, false, false);
 656 }
 657
 658 static void efuse_read_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 659                                   u8 efuse_data, u8 offset, u8 *tmpdata,
 660                                   u8 *readstate)
 661 {
 662         bool dataempty = true;
 663         u8 hoffset;
 664         u8 tmpidx;
 665         u8 hworden;
 666         u8 word_cnts;
 667
 668         hoffset = (efuse_data >> 4) & 0x0F;
 669         hworden = efuse_data & 0x0F;
 670         word_cnts = efuse_calculate_word_cnts(hworden);
 671
 672         if (hoffset == offset) {
 673                 for (tmpidx = 0; tmpidx < word_cnts * 2; tmpidx++) {
 674                         if (efuse_one_byte_read(hw, *efuse_addr + 1 + tmpidx,
 675                                                 &efuse_data)) {
 676                                 tmpdata[tmpidx] = efuse_data;
 677                                 if (efuse_data != 0xff)
 678                                         dataempty = false;
 679                         }
 680                 }
 681
 682                 if (!dataempty) {
 683                         *readstate = PG_STATE_DATA;
 684                 } else {
 685                         *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 686                         *readstate = PG_STATE_HEADER;
 687                 }
 688
 689         } else {
 690                 *efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
 691                 *readstate = PG_STATE_HEADER;
 692         }
 693 }
 694
 695 static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data)
 696 {
 697         u8 readstate = PG_STATE_HEADER;
 698
 699         bool continual = true;
 700
 701         u8 efuse_data, word_cnts = 0;
 702         u16 efuse_addr = 0;
 703         u8 tmpdata[8];
 704
 705         if (!data)
 706                 return false;
 707         if (offset > 15)
 708                 return false;
 709
 710         memset(data, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
 711         memset(tmpdata, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
 712
 713         while (continual && (efuse_addr < EFUSE_MAX_SIZE)) {
 714                 if (readstate & PG_STATE_HEADER) {
 715                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
 716                             (efuse_data != 0xFF))
 717                                 efuse_read_data_case1(hw, &efuse_addr,
 718                                                       efuse_data, offset,
 719                                                       tmpdata, &readstate);
 720                         else
 721                                 continual = false;
 722                 } else if (readstate & PG_STATE_DATA) {
 723                         efuse_word_enable_data_read(0, tmpdata, data);
 724                         efuse_addr = efuse_addr + (word_cnts * 2) + 1;
 725                         readstate = PG_STATE_HEADER;
 726                 }
 727         }
 728
 729         if ((data[0] == 0xff) && (data[1] == 0xff) &&
 730             (data[2] == 0xff) && (data[3] == 0xff) &&
 731             (data[4] == 0xff) && (data[5] == 0xff) &&
 732             (data[6] == 0xff) && (data[7] == 0xff))
 733                 return false;
 734         return true;
 735 }
 736
 737 static void efuse_write_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
 738                                    u8 efuse_data, u8 offset,
 739                                    int *continual, u8 *write_state,
 740                                    struct pgpkt_struct *target_pkt,
 741                                    int *repeat_times, int *result, u8 word_en)
 742 {
 743         struct rtl_priv *rtlpriv = rtl_priv(hw);
 744         struct pgpkt_struct tmp_pkt;
 745         int dataempty = true;
 746         u8 originaldata[8 * sizeof(u8)];
 747         u8 badworden = 0x0F;
 748         u8 match_word_en, tmp_word_en;
 749         u8 tmpindex;
 750         u8 tmp_header = efuse_data;
 751         u8 tmp_word_cnts;
 752
 753         tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 754         tmp_pkt.word_en = tmp_header & 0x0F;
 755         tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 756
 757         if (tmp_pkt.offset != target_pkt->offset) {
 758                 *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 759                 *write_state = PG_STATE_HEADER;
 760         } else {
 761                 for (tmpindex = 0; tmpindex < (tmp_word_cnts * 2); tmpindex++) {
 762                         if (efuse_one_byte_read(hw,
 763                                                 (*efuse_addr + 1 + tmpindex),
 764                                                 &efuse_data) &&
 765                             (efuse_data != 0xFF))
 766                                 dataempty = false;
 767                 }
 768
 769                 if (!dataempty) {
 770                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 771                         *write_state = PG_STATE_HEADER;
 772                 } else {
 773                         match_word_en = 0x0F;
 774                         if (!((target_pkt->word_en & BIT(0)) |
 775                             (tmp_pkt.word_en & BIT(0))))
 776                                 match_word_en &= (~BIT(0));
 777
 778                         if (!((target_pkt->word_en & BIT(1)) |
 779                             (tmp_pkt.word_en & BIT(1))))
 780                                 match_word_en &= (~BIT(1));
 781
 782                         if (!((target_pkt->word_en & BIT(2)) |
 783                             (tmp_pkt.word_en & BIT(2))))
 784                                 match_word_en &= (~BIT(2));
 785
 786                         if (!((target_pkt->word_en & BIT(3)) |
 787                             (tmp_pkt.word_en & BIT(3))))
 788                                 match_word_en &= (~BIT(3));
 789
 790                         if ((match_word_en & 0x0F) != 0x0F) {
 791                                 badworden =
 792                                   enable_efuse_data_write(hw,
 793                                                           *efuse_addr + 1,
 794                                                           tmp_pkt.word_en,
 795                                                           target_pkt->data);
 796
 797                                 if (0x0F != (badworden & 0x0F)) {
 798                                         u8 reorg_offset = offset;
 799                                         u8 reorg_worden = badworden;
 800
 801                                         efuse_pg_packet_write(hw, reorg_offset,
 802                                                               reorg_worden,
 803                                                               originaldata);
 804                                 }
 805
 806                                 tmp_word_en = 0x0F;
 807                                 if ((target_pkt->word_en & BIT(0)) ^
 808                                     (match_word_en & BIT(0)))
 809                                         tmp_word_en &= (~BIT(0));
 810
 811                                 if ((target_pkt->word_en & BIT(1)) ^
 812                                     (match_word_en & BIT(1)))
 813                                         tmp_word_en &= (~BIT(1));
 814
 815                                 if ((target_pkt->word_en & BIT(2)) ^
 816                                     (match_word_en & BIT(2)))
 817                                         tmp_word_en &= (~BIT(2));
 818
 819                                 if ((target_pkt->word_en & BIT(3)) ^
 820                                     (match_word_en & BIT(3)))
 821                                         tmp_word_en &= (~BIT(3));
 822
 823                                 if ((tmp_word_en & 0x0F) != 0x0F) {
 824                                         *efuse_addr =
 825                                             efuse_get_current_size(hw);
 826                                         target_pkt->offset = offset;
 827                                         target_pkt->word_en = tmp_word_en;
 828                                 } else {
 829                                         *continual = false;
 830                                 }
 831                                 *write_state = PG_STATE_HEADER;
 832                                 *repeat_times += 1;
 833                                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 834                                         *continual = false;
 835                                         *result = false;
 836                                 }
 837                         } else {
 838                                 *efuse_addr += (2 * tmp_word_cnts) + 1;
 839                                 target_pkt->offset = offset;
 840                                 target_pkt->word_en = word_en;
 841                                 *write_state = PG_STATE_HEADER;
 842                         }
 843                 }
 844         }
 845         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, "efuse PG_STATE_HEADER-1\n");
 846 }
 847
 848 static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
 849                                    int *continual, u8 *write_state,
 850                                    struct pgpkt_struct target_pkt,
 851                                    int *repeat_times, int *result)
 852 {
 853         struct rtl_priv *rtlpriv = rtl_priv(hw);
 854         struct pgpkt_struct tmp_pkt;
 855         u8 pg_header;
 856         u8 tmp_header;
 857         u8 originaldata[8 * sizeof(u8)];
 858         u8 tmp_word_cnts;
 859         u8 badworden = 0x0F;
 860
 861         pg_header = ((target_pkt.offset << 4) & 0xf0) | target_pkt.word_en;
 862         efuse_one_byte_write(hw, *efuse_addr, pg_header);
 863         efuse_one_byte_read(hw, *efuse_addr, &tmp_header);
 864
 865         if (tmp_header == pg_header) {
 866                 *write_state = PG_STATE_DATA;
 867         } else if (tmp_header == 0xFF) {
 868                 *write_state = PG_STATE_HEADER;
 869                 *repeat_times += 1;
 870                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 871                         *continual = false;
 872                         *result = false;
 873                 }
 874         } else {
 875                 tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
 876                 tmp_pkt.word_en = tmp_header & 0x0F;
 877
 878                 tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
 879
 880                 memset(originaldata, 0xff,  8 * sizeof(u8));
 881
 882                 if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) {
 883                         badworden = enable_efuse_data_write(hw,
 884                                                             *efuse_addr + 1,
 885                                                             tmp_pkt.word_en,
 886                                                             originaldata);
 887
 888                         if (0x0F != (badworden & 0x0F)) {
 889                                 u8 reorg_offset = tmp_pkt.offset;
 890                                 u8 reorg_worden = badworden;
 891
 892                                 efuse_pg_packet_write(hw, reorg_offset,
 893                                                       reorg_worden,
 894                                                       originaldata);
 895                                 *efuse_addr = efuse_get_current_size(hw);
 896                         } else {
 897                                 *efuse_addr = *efuse_addr +
 898                                               (tmp_word_cnts * 2) + 1;
 899                         }
 900                 } else {
 901                         *efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
 902                 }
 903
 904                 *write_state = PG_STATE_HEADER;
 905                 *repeat_times += 1;
 906                 if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 907                         *continual = false;
 908                         *result = false;
 909                 }
 910
 911                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 912                         "efuse PG_STATE_HEADER-2\n");
 913         }
 914 }
 915
 916 static int efuse_pg_packet_write(struct ieee80211_hw *hw,
 917                                  u8 offset, u8 word_en, u8 *data)
 918 {
 919         struct rtl_priv *rtlpriv = rtl_priv(hw);
 920         struct pgpkt_struct target_pkt;
 921         u8 write_state = PG_STATE_HEADER;
 922         int continual = true, dataempty = true, result = true;
 923         u16 efuse_addr = 0;
 924         u8 efuse_data;
 925         u8 target_word_cnts = 0;
 926         u8 badworden = 0x0F;
 927         static int repeat_times;
 928
 929         if (efuse_get_current_size(hw) >= (EFUSE_MAX_SIZE -
 930                 rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
 931                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 932                         "%s error\n", __func__);
 933                 return false;
 934         }
 935
 936         target_pkt.offset = offset;
 937         target_pkt.word_en = word_en;
 938
 939         memset(target_pkt.data, 0xFF,  8 * sizeof(u8));
 940
 941         efuse_word_enable_data_read(word_en, data, target_pkt.data);
 942         target_word_cnts = efuse_calculate_word_cnts(target_pkt.word_en);
 943
 944         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, "efuse Power ON\n");
 945
 946         while (continual && (efuse_addr < (EFUSE_MAX_SIZE -
 947                rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))) {
 948                 if (write_state == PG_STATE_HEADER) {
 949                         dataempty = true;
 950                         badworden = 0x0F;
 951                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 952                                 "efuse PG_STATE_HEADER\n");
 953
 954                         if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
 955                             (efuse_data != 0xFF))
 956                                 efuse_write_data_case1(hw, &efuse_addr,
 957                                                        efuse_data, offset,
 958                                                        &continual,
 959                                                        &write_state,
 960                                                        &target_pkt,
 961                                                        &repeat_times, &result,
 962                                                        word_en);
 963                         else
 964                                 efuse_write_data_case2(hw, &efuse_addr,
 965                                                        &continual,
 966                                                        &write_state,
 967                                                        target_pkt,
 968                                                        &repeat_times,
 969                                                        &result);
 970
 971                 } else if (write_state == PG_STATE_DATA) {
 972                         RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 973                                 "efuse PG_STATE_DATA\n");
 974                         badworden = 0x0f;
 975                         badworden =
 976                             enable_efuse_data_write(hw, efuse_addr + 1,
 977                                                     target_pkt.word_en,
 978                                                     target_pkt.data);
 979
 980                         if ((badworden & 0x0F) == 0x0F) {
 981                                 continual = false;
 982                         } else {
 983                                 efuse_addr =
 984                                     efuse_addr + (2 * target_word_cnts) + 1;
 985
 986                                 target_pkt.offset = offset;
 987                                 target_pkt.word_en = badworden;
 988                                 target_word_cnts =
 989                                     efuse_calculate_word_cnts(target_pkt.word_en);
 990                                 write_state = PG_STATE_HEADER;
 991                                 repeat_times++;
 992                                 if (repeat_times > EFUSE_REPEAT_THRESHOLD_) {
 993                                         continual = false;
 994                                         result = false;
 995                                 }
 996                                 RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
 997                                         "efuse PG_STATE_HEADER-3\n");
 998                         }
 999                 }
1000         }
1001
1002         if (efuse_addr >= (EFUSE_MAX_SIZE -
1003                 rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
1004                 RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1005                          "efuse_addr(%#x) Out of size!!\n", efuse_addr);
1006         }
1007
1008         return true;
1009 }
1010
1011 static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
1012                                         u8 *targetdata)
1013 {
1014         if (!(word_en & BIT(0))) {
1015                 targetdata[0] = sourdata[0];
1016                 targetdata[1] = sourdata[1];
1017         }
1018
1019         if (!(word_en & BIT(1))) {
1020                 targetdata[2] = sourdata[2];
1021                 targetdata[3] = sourdata[3];
1022         }
1023
1024         if (!(word_en & BIT(2))) {
1025                 targetdata[4] = sourdata[4];
1026                 targetdata[5] = sourdata[5];
1027         }
1028
1029         if (!(word_en & BIT(3))) {
1030                 targetdata[6] = sourdata[6];
1031                 targetdata[7] = sourdata[7];
1032         }
1033 }
1034
1035 static u8 enable_efuse_data_write(struct ieee80211_hw *hw,
1036                                   u16 efuse_addr, u8 word_en, u8 *data)
1037 {
1038         struct rtl_priv *rtlpriv = rtl_priv(hw);
1039         u16 tmpaddr;
1040         u16 start_addr = efuse_addr;
1041         u8 badworden = 0x0F;
1042         u8 tmpdata[8];
1043
1044         memset(tmpdata, 0xff, PGPKT_DATA_SIZE);
1045         RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
1046                  "word_en = %x efuse_addr=%x\n", word_en, efuse_addr);
1047
1048         if (!(word_en & BIT(0))) {
1049                 tmpaddr = start_addr;
1050                 efuse_one_byte_write(hw, start_addr++, data[0]);
1051                 efuse_one_byte_write(hw, start_addr++, data[1]);
1052
1053                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[0]);
1054                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[1]);
1055                 if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1]))
1056                         badworden &= (~BIT(0));
1057         }
1058
1059         if (!(word_en & BIT(1))) {
1060                 tmpaddr = start_addr;
1061                 efuse_one_byte_write(hw, start_addr++, data[2]);
1062                 efuse_one_byte_write(hw, start_addr++, data[3]);
1063
1064                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[2]);
1065                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[3]);
1066                 if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3]))
1067                         badworden &= (~BIT(1));
1068         }
1069
1070         if (!(word_en & BIT(2))) {
1071                 tmpaddr = start_addr;
1072                 efuse_one_byte_write(hw, start_addr++, data[4]);
1073                 efuse_one_byte_write(hw, start_addr++, data[5]);
1074
1075                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[4]);
1076                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[5]);
1077                 if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5]))
1078                         badworden &= (~BIT(2));
1079         }
1080
1081         if (!(word_en & BIT(3))) {
1082                 tmpaddr = start_addr;
1083                 efuse_one_byte_write(hw, start_addr++, data[6]);
1084                 efuse_one_byte_write(hw, start_addr++, data[7]);
1085
1086                 efuse_one_byte_read(hw, tmpaddr, &tmpdata[6]);
1087                 efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[7]);
1088                 if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7]))
1089                         badworden &= (~BIT(3));
1090         }
1091
1092         return badworden;
1093 }
1094
1095 void efuse_power_switch(struct ieee80211_hw *hw, u8 write, u8 pwrstate)
1096 {
1097         struct rtl_priv *rtlpriv = rtl_priv(hw);
1098         struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
1099         u8 tempval;
1100         u16 tmpv16;
1101
1102         if (pwrstate && (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE)) {
1103                 if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192CE &&
1104                     rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE) {
1105                         rtl_write_byte(rtlpriv,
1106                                        rtlpriv->cfg->maps[EFUSE_ACCESS], 0x69);
1107                 } else {
1108                         tmpv16 =
1109                           rtl_read_word(rtlpriv,
1110                                         rtlpriv->cfg->maps[SYS_ISO_CTRL]);
1111                         if (!(tmpv16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
1112                                 tmpv16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V];
1113                                 rtl_write_word(rtlpriv,
1114                                                rtlpriv->cfg->maps[SYS_ISO_CTRL],
1115                                                tmpv16);
1116                         }
1117                 }
1118                 tmpv16 = rtl_read_word(rtlpriv,
1119                                        rtlpriv->cfg->maps[SYS_FUNC_EN]);
1120                 if (!(tmpv16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) {
1121                         tmpv16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR];
1122                         rtl_write_word(rtlpriv,
1123                                        rtlpriv->cfg->maps[SYS_FUNC_EN], tmpv16);
1124                 }
1125
1126                 tmpv16 = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_CLK]);
1127                 if ((!(tmpv16 & rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN])) ||
1128                     (!(tmpv16 & rtlpriv->cfg->maps[EFUSE_ANA8M]))) {
1129                         tmpv16 |= (rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN] |
1130                                    rtlpriv->cfg->maps[EFUSE_ANA8M]);
1131                         rtl_write_word(rtlpriv,
1132                                        rtlpriv->cfg->maps[SYS_CLK], tmpv16);
1133                 }
1134         }
1135
1136         if (pwrstate) {
1137                 if (write) {
1138                         tempval = rtl_read_byte(rtlpriv,
1139                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1140                                                 3);
1141
1142                         if (rtlhal->hw_type == HARDWARE_TYPE_RTL8812AE) {
1143                                 tempval &= ~(BIT(3) | BIT(4) | BIT(5) | BIT(6));
1144                                 tempval |= (VOLTAGE_V25 << 3);
1145                         } else if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE) {
1146                                 tempval &= 0x0F;
1147                                 tempval |= (VOLTAGE_V25 << 4);
1148                         }
1149
1150                         rtl_write_byte(rtlpriv,
1151                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1152                                        (tempval | 0x80));
1153                 }
1154
1155                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1156                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1157                                        0x03);
1158                 }
1159         } else {
1160                 if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192CE &&
1161                     rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE)
1162                         rtl_write_byte(rtlpriv,
1163                                        rtlpriv->cfg->maps[EFUSE_ACCESS], 0);
1164
1165                 if (write) {
1166                         tempval = rtl_read_byte(rtlpriv,
1167                                                 rtlpriv->cfg->maps[EFUSE_TEST] +
1168                                                 3);
1169                         rtl_write_byte(rtlpriv,
1170                                        rtlpriv->cfg->maps[EFUSE_TEST] + 3,
1171                                        (tempval & 0x7F));
1172                 }
1173
1174                 if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
1175                         rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
1176                                        0x02);
1177                 }
1178         }
1179 }
1180
1181 static u16 efuse_get_current_size(struct ieee80211_hw *hw)
1182 {
1183         int continual = true;
1184         u16 efuse_addr = 0;
1185         u8 hoffset, hworden;
1186         u8 efuse_data, word_cnts;
1187
1188         while (continual && efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
1189                (efuse_addr < EFUSE_MAX_SIZE)) {
1190                 if (efuse_data != 0xFF) {
1191                         hoffset = (efuse_data >> 4) & 0x0F;
1192                         hworden = efuse_data & 0x0F;
1193                         word_cnts = efuse_calculate_word_cnts(hworden);
1194                         efuse_addr = efuse_addr + (word_cnts * 2) + 1;
1195                 } else {
1196                         continual = false;
1197                 }
1198         }
1199
1200         return efuse_addr;
1201 }
1202
1203 static u8 efuse_calculate_word_cnts(u8 word_en)
1204 {
1205         u8 word_cnts = 0;
1206
1207         if (!(word_en & BIT(0)))
1208                 word_cnts++;
1209         if (!(word_en & BIT(1)))
1210                 word_cnts++;
1211         if (!(word_en & BIT(2)))
1212                 word_cnts++;
1213         if (!(word_en & BIT(3)))
1214                 word_cnts++;
1215         return word_cnts;
1216 }
1217
1218 int rtl_get_hwinfo(struct ieee80211_hw *hw, struct rtl_priv *rtlpriv,
1219                    int max_size, u8 *hwinfo, int *params)
1220 {
1221         struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
1222         struct rtl_pci_priv *rtlpcipriv = rtl_pcipriv(hw);
1223         struct device *dev = &rtlpcipriv->dev.pdev->dev;
1224         u16 eeprom_id;
1225         u16 i, usvalue;
1226
1227         switch (rtlefuse->epromtype) {
1228         case EEPROM_BOOT_EFUSE:
1229                 rtl_efuse_shadow_map_update(hw);
1230                 break;
1231
1232         case EEPROM_93C46:
1233                 pr_err("RTL8XXX did not boot from eeprom, check it !!\n");
1234                 return 1;
1235
1236         default:
1237                 dev_warn(dev, "no efuse data\n");
1238                 return 1;
1239         }
1240
1241         memcpy(hwinfo, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0], max_size);
1242
1243         RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_DMESG, "MAP",
1244                       hwinfo, max_size);
1245
1246         eeprom_id = *((u16 *)&hwinfo[0]);
1247         if (eeprom_id != params[0]) {
1248                 RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
1249                          "EEPROM ID(%#x) is invalid!!\n", eeprom_id);
1250                 rtlefuse->autoload_failflag = true;
1251         } else {
1252                 RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "Autoload OK\n");
1253                 rtlefuse->autoload_failflag = false;
1254         }
1255
1256         if (rtlefuse->autoload_failflag)
1257                 return 1;
1258
1259         rtlefuse->eeprom_vid = *(u16 *)&hwinfo[params[1]];
1260         rtlefuse->eeprom_did = *(u16 *)&hwinfo[params[2]];
1261         rtlefuse->eeprom_svid = *(u16 *)&hwinfo[params[3]];
1262         rtlefuse->eeprom_smid = *(u16 *)&hwinfo[params[4]];
1263         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1264                  "EEPROMId = 0x%4x\n", eeprom_id);
1265         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1266                  "EEPROM VID = 0x%4x\n", rtlefuse->eeprom_vid);
1267         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1268                  "EEPROM DID = 0x%4x\n", rtlefuse->eeprom_did);
1269         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1270                  "EEPROM SVID = 0x%4x\n", rtlefuse->eeprom_svid);
1271         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1272                  "EEPROM SMID = 0x%4x\n", rtlefuse->eeprom_smid);
1273
1274         for (i = 0; i < 6; i += 2) {
1275                 usvalue = *(u16 *)&hwinfo[params[5] + i];
1276                 *((u16 *)(&rtlefuse->dev_addr[i])) = usvalue;
1277         }
1278         RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG, "%pM\n", rtlefuse->dev_addr);
1279
1280         rtlefuse->eeprom_channelplan = *&hwinfo[params[6]];
1281         rtlefuse->eeprom_version = *(u16 *)&hwinfo[params[7]];
1282         rtlefuse->txpwr_fromeprom = true;
1283         rtlefuse->eeprom_oemid = *&hwinfo[params[8]];
1284
1285         RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
1286                  "EEPROM Customer ID: 0x%2x\n", rtlefuse->eeprom_oemid);
1287
1288         /* set channel plan to world wide 13 */
1289         rtlefuse->channel_plan = params[9];
1290
1291         return 0;
1292 }
1293
1294 void rtl_fw_block_write(struct ieee80211_hw *hw, const u8 *buffer, u32 size)
1295 {
1296         struct rtl_priv *rtlpriv = rtl_priv(hw);
1297         u8 *pu4byteptr = (u8 *)buffer;
1298         u32 i;
1299
1300         for (i = 0; i < size; i++)
1301                 rtl_write_byte(rtlpriv, (START_ADDRESS + i), *(pu4byteptr + i));
1302 }
1303
1304 void rtl_fw_page_write(struct ieee80211_hw *hw, u32 page, const u8 *buffer,
1305                        u32 size)
1306 {
1307         struct rtl_priv *rtlpriv = rtl_priv(hw);
1308         u8 value8;
1309         u8 u8page = (u8)(page & 0x07);
1310
1311         value8 = (rtl_read_byte(rtlpriv, REG_MCUFWDL + 2) & 0xF8) | u8page;
1312
1313         rtl_write_byte(rtlpriv, (REG_MCUFWDL + 2), value8);
1314         rtl_fw_block_write(hw, buffer, size);
1315 }
1316
1317 void rtl_fill_dummy(u8 *pfwbuf, u32 *pfwlen)
1318 {
1319         u32 fwlen = *pfwlen;
1320         u8 remain = (u8)(fwlen % 4);
1321
1322         remain = (remain == 0) ? 0 : (4 - remain);
1323
1324         while (remain > 0) {
1325                 pfwbuf[fwlen] = 0;
1326                 fwlen++;
1327                 remain--;
1328         }
1329
1330         *pfwlen = fwlen;
1331 }